The playground

Try any of 817 endpoints — live.

Pick an endpoint, load a working example, tweak the params, and send — no signup to try. Results render the way the data deserves; raw JSON, headers & code are one tab away.

Playground demo key · api.reefapi.com

post/kleinanzeigen/v1/categories1 credit

Browse subcategories and listings for a category page.

Parameters

category_idoptional

Category id to browse (omit for the top-level category index).

category_slugoptional

Category slug to browse (pairs with category_id).

pageoptional

Result page (1-based). Page forward with meta.next_page. (1–)

request preview

curl -X POST https://api.reefapi.com/kleinanzeigen/v1/categories \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{}'

Hit Send to run this endpoint live.